I need technical assistance, and the MES receiving level is very low with abnormal operation.
我需要技术援助，移动站接收电平太低，工作不正常。
System operation were divided into normal and abnormal operating state running state.
系统运行分为正常运行状态与异常运行状态。
The abnormal vibration of main fan operation in a certain mine is introduced.
介绍了某矿井主通风机运行时的异常振动现象。
The abnormal vibration of main fan operation in a certain mine is introduced.
介绍了某矿井主通风机运行时的异常振动现象。
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